17-letter words containing r, a, c, i
- double track line — a railway line with double track
- drained of colour — colourless
- duality principle — the principle that a mathematical duality exists under certain conditions.
- ductus arteriosis — a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.
- dynamic insurance — Dynamic insurance is a type of insurance coverage where the policyholder can choose to increase benefits and premiums by a fixed percentage each year to offset the effects of inflation.
- dynamics analyzer — (language) (DYANA) An early language specialised for vibrational and other dynamic physical systems.
- early closing day — a day on which most shops in a town or area close after lunch
- early renaissance — a style of art developed principally in Florence, Italy, during the 15th century and characterized chiefly by the development of linear perspective, chiaroscuro, and geometrically based compositions.
- east pacific rise — a long north-south elevation of the sea floor in the E Pacific Ocean extending southward from SW Mexico to the Antarctic Ocean.
- echocardiographer — A person who performs echocardiography.
- echocardiographic — Of or pertaining to echocardiography.
- ectoparasiticides — Plural form of ectoparasiticide.
- ectopic pregnancy — the development of a fertilized ovum outside the uterus, as in a Fallopian tube.
- egyptian brackets — (programming, humour) A humourous term for K&R indent style, referring to the "one hand up in front, one down behind" pose which popular culture inexplicably associates with Egypt.
- ehelp corporation — (company) A vendor of Microsoft Windows application development tools such as RoboHELP and RoboDemo. EHelp were formerly (around 1997) Blue Sky Software. Address: 7777 Fay Avenue, Suite 201, La Jolla, CA 92037, USA. Telephone: +1-800-793-0364, +1 (619) 459 6365. Fax: +1 (619) 459 6366.
- electric constant — the permittivity of free space, which has the value 8.854 187 × 10–12 farad per metre
- electric retarder — An electric retarder is an electromagnetic transmission brake that is only effective when a vehicle is moving.
- electrical fitter — someone whose job is to fit electrical equipment
- electricity board — a company which supplies electricity
- electroanesthesia — Anesthesia induced by cranial electrotherapy stimulation.
- electrocardiogram — A record or display of a person’s heartbeat produced by electrocardiography.
- electrochemically — In an electrochemical manner.
- electrofiltration — Electrofiltration is a separation process in which an electric field is applied across a filter to improve separation.
- electromechanical — Of, relating to, or denoting a mechanical device that is electrically operated.
- electromyographic — Using electromyography.
- electron affinity — a measure of the ability of an atom or molecule to form a negative ion, expressed as the energy released when an electron is attached
- electronegativity — The tendency, or a measure of the ability, of an atom or molecule to attract electrons and thus form bonds.
- electroretinogram — A record of the electrical activity of the retina, used in medical diagnosis and research.
- electrostatically — In an electrostatic manner, by electrostatic means.
- elliptical spring — An elliptical spring is a spring that is made from two springs in the shape of elongated ovals laid cut in half and back-to-back.
- emergency landing — an occasion when a place is forced to land: for example, because of a mechanical fault, bad weather, terrorism, etc.
- emergency rations — food and drink that is designated for use in an emergency: for example, in a famine, after a plane crash, when hill-walkers or mountaineers are stranded, etc.
- emotional cripple — someone who is unable to feel or show true emotion and so cannot form relationships with other people
- empirical formula — a chemical formula indicating the proportion of each element present in a molecule
- epicycloidal gear — a gear of an epicyclic train
- esprit d'escalier — clever repartee one thinks of too late
- exception handler — Special code which is called when an exception occurs during the execution of a program. If the programmer does not provide a handler for a given exception, a built-in system exception handler will usually be called resulting in abortion of the program run and some kind of error indication being returned to the user. Examples of exception handler mechanisms are Unix's signal calls and Lisp's catch and throw.
- exclusionary rule — a legal rule that evidence obtained illegally, as from a search without a warrant, may not be introduced at trial
- exfoliating cream — a granular cosmetic preparation that removes dead cells from the skin's surface
- experience rating — Experience rating is a method of adjusting the premium for a risk based on past loss experience for that risk compared to loss experience for an average risk.
- factory inspector — a person who inspects factories
- facts and figures — details; precise information
- fair market price — the price of something at which both a seller and a buyer are willing to strike a deal.
- fairness doctrine — a policy mandated by the Federal Communications Commission, requiring radio and television stations to grant equal time to a political candidate, group, etc., to present an opposing viewpoint to one already aired.
- farmers' alliance — an informal name for various regional political organizations that farmers established in the 1880s and that led to the formation of the Peoples' party in 1891–92.
- farming community — a community where farming is the main industry
- farthingale chair — an English chair of c1600 having no arms, a straight and low back, and a high seat.
- fermentation lock — a valve placed on the top of bottles of fermenting wine to allow bubbles to escape
- ferrimagnetically — In a ferrimagnetic manner.
- ferroelectric ram — Ferroelectric Random Access Memory